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[求助] 纽扣电池封装问题 已有1人参与

请问各位封装2025系列的纽扣电池一般用多大的封装压力?我们用的是深圳科晶MSK-110的油压机,现在的情况是,用20kg/cm2以内似乎会封装不紧,能充电一次(两小时)有很短的放电平台,第二次循环电压就直接上到4.2以上,拆开后电解液变黄。另外请问封装合适的外在表现是什么?是类似底部边缘完全包裹上部会比较好吗?
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liuwei2004

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【答案】应助回帖

感谢参与,应助指数 +1
预设的压力基本就可以了,略微有点松。有垫片弹簧片会好些,做完观察一下边缘情况是否封紧

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